{
global:
  i2c_smbus_access;
  i2c_smbus_write_quick;
  i2c_smbus_read_byte;
  i2c_smbus_write_byte;
  i2c_smbus_read_byte_data;
  i2c_smbus_write_byte_data;
  i2c_smbus_read_word_data;
  i2c_smbus_write_word_data;
  i2c_smbus_process_call;
  i2c_smbus_read_block_data;
  i2c_smbus_write_block_data;
  i2c_smbus_read_i2c_block_data;
  i2c_smbus_write_i2c_block_data;
  i2c_smbus_block_process_call;
local: *;
 };